diff --git a/docs/CH643.md b/docs/CH643.md
new file mode 100644
index 0000000..f7d8130
--- /dev/null
+++ b/docs/CH643.md
@@ -0,0 +1,10 @@
+# CH643
+
+## Chips
+
+```
+* CH643W-0x64300601
+* CH643Q-0x64310601
+* CH643L-0x64330601
+* CH643U-0x64340601
+```
diff --git a/src/chips.rs b/src/chips.rs
new file mode 100644
index 0000000..9e1fcc4
--- /dev/null
+++ b/src/chips.rs
@@ -0,0 +1,90 @@
+//! The chip DB.
+
+pub fn chip_id_to_chip_name(chip_id: u32) -> Option<&'static str> {
+    match chip_id & 0xFFF00000 {
+        0x650_00000 => Some("CH565"),
+        0x690_00000 => Some("CH569"),
+        0x710_00000 => Some("CH571"),
+        0x730_00000 => Some("CH573"),
+        0x810_00000 => Some("CH581"),
+        0x820_00000 => Some("CH582"),
+        0x830_00000 => Some("CH583"),
+        0x920_00000 => Some("CH592"),
+        0x003_00000 => match chip_id & 0xFFFFFF0F {
+            0x003_00500 => Some("CH32V003F4P6"),
+            0x003_10500 => Some("CH32V003F4U6"),
+            0x003_20500 => Some("CH32V003A4M6"),
+            0x003_30500 => Some("CH32V003J4M6"),
+            _ => None,
+        },
+        0x035_00000 => match chip_id & 0xFFFFFF0F {
+            0x035_00601 => Some("CH32X035R8T6"),
+            0x035_10601 => Some("CH32X035C8T6"),
+            0x035_E0601 => Some("CH32X035F8U6"),
+            0x035_60601 => Some("CH32X035G8U6"),
+            0x035_B0601 => Some("CH32X035G8R6"),
+            0x035_70601 => Some("CH32X035F7P6"),
+            0x035_A0601 => Some("CH32X033F8P6"),
+            _ => None,
+        },
+        0x103_00000 => match chip_id & 0xFFFFFF0F {
+            0x103_00700 => Some("CH32L103C8U6"),
+            0x103_10700 => Some("CH32L103C8T6"),
+            0x103_A0700 => Some("CH32L103F8P6"),
+            0x103_B0700 => Some("CH32L103G8R6"),
+            0x103_20700 => Some("CH32L103K8U6"),
+            0x103_D0700 => Some("CH32L103F8U6"),
+            0x103_70700 => Some("CH32L103F7P6"),
+            _ => None,
+        },
+        0x200_00000 => match chip_id {
+            0x200_04102 => Some("CH32F103C8T6"),
+            0x200_0410F => Some("CH32F103R8T6"),
+            _ => None,
+        },
+        0x203_00000 => match chip_id & 0xFFFFFF0F {
+            0x203_00500 => Some("CH32V203C8U6"),
+            0x203_10500 => Some("CH32V203C8T6"),
+            0x203_20500 => Some("CH32V203K8T6"),
+            0x203_30500 => Some("CH32V203C6T6"),
+            0x203_50500 => Some("CH32V203K6T6"),
+            0x203_60500 => Some("CH32V203G6U6"),
+            0x203_B0500 => Some("CH32V203G8R6"),
+            0x203_E0500 => Some("CH32V203F8U6"),
+            0x203_70500 => Some("CH32V203F6P6"),
+            0x203_90500 => Some("CH32V203F6P6"),
+            0x203_A0500 => Some("CH32V203F8P6"),
+            0x203_4050C => Some("CH32V203RBT6"),
+            _ => None,
+        },
+        0x208_00000 => match chip_id & 0xFFFFFF0F {
+            0x208_0050C => Some("CH32V208WBU6"),
+            0x208_1050C => Some("CH32V208RBT6"),
+            0x208_2050C => Some("CH32V208CBU6"),
+            0x208_3050C => Some("CH32V208GBU6"),
+            _ => None,
+        },
+        0x303_00000 | 0x305_00000 | 0x307_00000 => match chip_id & 0xFFFFFF0F {
+            0x303_30504 => Some("CH32V303CBT6"),
+            0x303_20504 => Some("CH32V303RBT6"),
+            0x303_10504 => Some("CH32V303RCT6"),
+            0x303_00504 => Some("CH32V303VCT6"),
+            0x305_20508 => Some("CH32V305FBP6"),
+            0x305_00508 => Some("CH32V305RBT6"),
+            0x305_B0508 => Some("CH32V305GBU6"),
+            0x307_30508 => Some("CH32V307WCU6"),
+            0x307_20508 => Some("CH32V307FBP6"),
+            0x307_10508 => Some("CH32V307RCT6"),
+            0x307_00508 => Some("CH32V307VCT6"),
+            _ => None,
+        },
+        0x643_00000 => match chip_id {
+            0x643_00601 => Some("CH643W"),
+            0x643_10601 => Some("CH643Q"),
+            0x643_30601 => Some("CH643L"),
+            0x643_40601 => Some("CH643U"),
+            _ => None,
+        }
+        _ => None,
+    }
+}
diff --git a/src/commands/control.rs b/src/commands/control.rs
index b99f2ff..ab10a01 100644
--- a/src/commands/control.rs
+++ b/src/commands/control.rs
@@ -70,7 +70,7 @@ impl Command for AttachChip {
 pub struct AttachChipResponse {
     pub chip_family: RiscvChip,
     pub riscvchip: u8,
-    pub chip_type: u32,
+    pub chip_id: u32,
 }
 impl AttachChipResponse {}
 impl Response for AttachChipResponse {
@@ -81,17 +81,23 @@ impl Response for AttachChipResponse {
         Ok(Self {
             chip_family: RiscvChip::try_from_u8(bytes[0])?,
             riscvchip: bytes[0],
-            chip_type: u32::from_be_bytes(bytes[1..5].try_into().unwrap()),
+            chip_id: u32::from_be_bytes(bytes[1..5].try_into().unwrap()),
         })
     }
 }
 // For logging
 impl fmt::Display for AttachChipResponse {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        if self.chip_type == 0 {
+        if self.chip_id == 0 {
             write!(f, "{:?}", self.chip_family)
+        } else if let Some(chip_name) = crate::chips::chip_id_to_chip_name(self.chip_id) {
+            write!(
+                f,
+                "{:?} [{}] (ChipID: 0x{:08x})",
+                self.chip_family, chip_name, self.chip_id
+            )
         } else {
-            write!(f, "{:?}(0x{:08x})", self.chip_family, self.chip_type)
+            write!(f, "{:?}(ChipID: 0x{:08x})", self.chip_family, self.chip_id)
         }
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 4906740..f15cdd5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,6 +9,7 @@ pub mod format;
 mod operations;
 pub mod regs;
 pub mod transport;
+pub mod chips;
 
 use commands::RawCommand;
 use device::WchLink;
diff --git a/src/operations.rs b/src/operations.rs
index e5112c5..856171b 100644
--- a/src/operations.rs
+++ b/src/operations.rs
@@ -87,7 +87,7 @@ impl WchLink {
         let info = ChipInfo {
             uid: None, // TODO
             chip_family: chip_info.chip_family,
-            chip_id: chip_info.chip_type,
+            chip_id: chip_info.chip_id,
             march: None,
         };